Optical properties of surface-modified Bi2O3 nanoparticles

被引：129
|
作者：
Dong, WT [1 ]
Zhu, CS [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Photon Craft Project Lab, Shanghai 201800, Peoples R China
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2003年 / 64卷 / 02期
关键词：
nanoprticles; surface-modification; luminescence;
D O I：
10.1016/S0022-3697(02)00291-3
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Stearic acid coated Bi2O3 nanoparticles in the size range of 5-13 nm were synthesized by the microemulsion method. HRTEM showed that the morphology of Bi2O3 nanoparticles was ellipsoidal. The absorption edge of Bi2O3 nanoparticles showed a blue shift of similar to0.45 eV, comparing with that of the bulk Bi2O3. At room temperature, Bi2O3 nanoparticles also showed a strong luminescence at 397 and 420 nm, depending on the excitation wavelength. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：265 / 271
页数：7
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